MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb1b90b255bf35e10987a77b81ff1873c52aaefa8aa81182ebd441b1a0694729. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Smoke Loader


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb1b90b255bf35e10987a77b81ff1873c52aaefa8aa81182ebd441b1a0694729
SHA3-384 hash: a6bf79abec2165ac866178b196aae45e6aebe8c399ac00b8d743f8bc2e8df232c18acf8405b269bd4184697a1ab40352
SHA1 hash: f9b3e9f0b16e57bb55675956863240e8d927fb9c
MD5 hash: 5e071687704f3f626ae7e9b485fd9a37
humanhash: yankee-five-artist-item
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:281'088 bytes
First seen:2022-11-28 19:52:44 UTC
Last seen:2022-12-08 12:22:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a85ee639729bb8ae756e35623ddcd71a (7 x Smoke Loader, 3 x Amadey)
ssdeep 6144:KLtXRdCS2Wkjvn1zvRthf8w6iZ5MpVFvg4/FQF:gxPCSI1zl5MpDgSm
TLSH T1CE54DF517951F4B1CC5A0D7D88F9FBA01D78FC22AA20994727B41A6F6E302F1867E31E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 480c1c5c4f590904 (8 x Smoke Loader, 6 x Amadey, 2 x Tofsee)
Reporter jstrosch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
4
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-11-28 19:55:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b91a5666-32c2-4192-962a-c773efd6e1bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
SmokeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/339536/
Detection(s):
SecuriteInfo.com.Win32.BotX-gen.20914.26305.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Setting browser functions hooks
Unauthorized injection to a system process
Enabling autorun by creating a file
Unauthorized injection to a browser process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/638511a000c584752ee249ad/reports/93bc25cf-ee30-4185-bc60-ae74e0c93dda/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c7853ad-c5c7-4ef9-9f61-8c7f9744a42e
Result
Threat name:
Amadey, CryptOne, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1122846
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Deletes itself after installation
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected CryptOne packer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755570 Sample: file.exe Startdate: 28/11/2022 Architecture: WINDOWS Score: 100 106 Snort IDS alert for network traffic 2->106 108 Malicious sample detected (through community Yara rule) 2->108 110 Antivirus detection for URL or domain 2->110 112 9 other signatures 2->112 10 file.exe 2->10         started        13 gntuud.exe 24 2->13         started        17 dtiarsc 2->17         started        process3 dnsIp4 142 Detected unpacking (changes PE section rights) 10->142 144 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 10->144 146 Maps a DLL or memory area into another process 10->146 19 explorer.exe 7 10->19 injected 100 77.73.134.65 FIBEROPTIXDE Kazakhstan 13->100 102 52.217.168.145 AMAZON-02US United States 13->102 104 5 other IPs or domains 13->104 80 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32 13->80 dropped 82 C:\Users\user\AppData\Local\...\socks5.exe, PE32 13->82 dropped 84 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32 13->84 dropped 86 C:\Users\user\AppData\Local\...\socks5[1].exe, PE32 13->86 dropped 24 rundll32.exe 13->24         started        26 socks5.exe 13->26         started        28 schtasks.exe 13->28         started        148 Machine Learning detection for dropped file 17->148 150 Checks if the current machine is a virtual machine (disk enumeration) 17->150 152 Creates a thread in another existing process (thread injection) 17->152 file5 signatures6 process7 dnsIp8 92 62.204.41.252, 49743, 49750, 49751 TNNET-ASTNNetOyMainnetworkFI United Kingdom 19->92 94 r3oidsofsios.com 185.246.221.151, 49709, 49710, 49711 LVLT-10753US Germany 19->94 96 4 other IPs or domains 19->96 68 C:\Users\user\AppData\Roaming\dtiarsc, PE32 19->68 dropped 70 C:\Users\user\AppData\Local\Temp\64D3.exe, PE32 19->70 dropped 72 C:\Users\user\AppData\Local\Temp\535F.exe, PE32 19->72 dropped 74 C:\Users\user\...\dtiarsc:Zone.Identifier, ASCII 19->74 dropped 114 System process connects to network (likely due to code injection or exploit) 19->114 116 Benign windows process drops PE files 19->116 118 Injects code into the Windows Explorer (explorer.exe) 19->118 132 3 other signatures 19->132 30 64D3.exe 3 19->30         started        34 535F.exe 3 19->34         started        36 explorer.exe 19->36         started        42 8 other processes 19->42 120 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->120 122 Tries to steal Instant Messenger accounts or passwords 24->122 124 Tries to steal Mail credentials (via file / registry access) 24->124 126 Tries to harvest and steal ftp login credentials 24->126 128 Suspicious powershell command line found 26->128 130 Bypasses PowerShell execution policy 26->130 38 powershell.exe 26->38         started        40 conhost.exe 28->40         started        file9 signatures10 process11 file12 88 C:\Users\user\AppData\Local\...\gntuud.exe, PE32 30->88 dropped 162 Multi AV Scanner detection for dropped file 30->162 164 Machine Learning detection for dropped file 30->164 44 gntuud.exe 18 30->44         started        90 C:\Users\user\AppData\Local\...\gntuud.exe, PE32 34->90 dropped 166 Detected unpacking (changes PE section rights) 34->166 168 Contains functionality to inject code into remote processes 34->168 48 gntuud.exe 1 34->48         started        50 conhost.exe 38->50         started        signatures13 process14 file15 76 C:\Users\user\AppData\Roaming\...\cred64.dll, PE32 44->76 dropped 78 C:\Users\user\AppData\Local\...\cred64[1].dll, PE32 44->78 dropped 154 Multi AV Scanner detection for dropped file 44->154 156 Machine Learning detection for dropped file 44->156 52 rundll32.exe 44->52         started        56 schtasks.exe 44->56         started        158 Creates an undocumented autostart registry key 48->158 160 Uses schtasks.exe or at.exe to add and modify task schedules 48->160 58 schtasks.exe 1 48->58         started        60 WerFault.exe 48->60         started        62 WerFault.exe 48->62         started        signatures16 process17 dnsIp18 98 192.168.2.5, 443, 49683, 49691 unknown unknown 52->98 134 System process connects to network (likely due to code injection or exploit) 52->134 136 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->136 138 Tries to steal Instant Messenger accounts or passwords 52->138 140 Tries to steal Mail credentials (via file / registry access) 52->140 64 conhost.exe 56->64         started        66 conhost.exe 58->66         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb1b90b255bf35e10987a77b81ff1873c52aaefa8aa81182ebd441b1a0694729/
Threat name:
Win32.Trojan.BotX
Create hunting rule
Status:
Malicious
First seen:
2022-11-28 19:53:07 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7mnzbmsvx426ccmhu55yd7yyopcsvlx2rkubdaxl2ra3didji4uq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/221128-ylyn1sgd9t/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
Amadey
Detects Smokeloader packer
SmokeLoader
Malware Config
C2 Extraction:
77.73.134.65/o7VsjdSa2f/index.php
Unpacked files
SH256 hash:
e97028f53e2a5448ecf5b0ca744e94ca51ea272281d2c6494b74f46bc3c4d661
MD5 hash:
5763c7d74ab2d3df8b55cc762a7435d0
SHA1 hash:
4bc56a0e29f5af2cad1e984cab4580f575beda04
Detections:
win_smokeloader_a2
Create hunting rule
SmokeLoaderStage2
Create hunting rule
Link:
https://www.unpac.me/results/fccea73a-9191-425b-b33d-a62201039f19/
Parent samples :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 hash:
fb1b90b255bf35e10987a77b81ff1873c52aaefa8aa81182ebd441b1a0694729
MD5 hash:
5e071687704f3f626ae7e9b485fd9a37
SHA1 hash:
f9b3e9f0b16e57bb55675956863240e8d927fb9c
Link:
https://www.unpac.me/results/fccea73a-9191-425b-b33d-a62201039f19/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb1b90b255bf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb1b90b255bf35e10987a77b81ff1873c52aaefa8aa81182ebd441b1a0694729

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Smoke Loader

Executable exe fb1b90b255bf35e10987a77b81ff1873c52aaefa8aa81182ebd441b1a0694729

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/339536/
  
URLhaus
https://urlhaus.abuse.ch/url/2409837/

Comments